Nataly Kogan '98 is the co-founder and "chief happiness officer" of Happier.com, a Boston-based happiness company. Kogan immigrated to the United States with her parents from the former Soviet Union when she was thirteen and spent two decades "chasing the big happy," as she calls it. But when even her achievements failed to make her truly happy, Nataly turned to science and became inspired to stop saying "I'll be happy when..." and start thinking "I'm happier now because..." Kogan was a student in the College of Social Studies and met her husband, Avi Grossman Spivack '99, while they were working…